PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-07:58:10
G02     233.1          74.7                6.2 +/-    0.69       6.4 +/-    0.69  0.110 / 0.220
G05     174.7          11.0               -4.1 +/-   20.92     -11.2 +/-   20.92  0.150 / 0.280
G06     42.1           62.7                5.2 +/-    0.56       5.8 +/-    0.56  0.030 / 0.040
G12     321.5          49.4                4.3 +/-    1.52       5.5 +/-    1.52  0.030 / 0.040
G17     67.0           24.1                5.2 +/-    0.70      10.3 +/-    0.70  0.060 / 0.080
G19     53.6           39.5                4.3 +/-    0.86       6.4 +/-    0.86  0.080 / 0.100
G24     251.8          36.9                6.0 +/-    1.40       9.2 +/-    1.40  0.160 / 0.430
G28     128.0          12.5                7.2 +/-    2.32      18.9 +/-    2.32  0.100 / 0.450